CN107117874A - A kind of preparation method of cement base inorganic polystyrene particle composite thermal insulation material - Google Patents
A kind of preparation method of cement base inorganic polystyrene particle composite thermal insulation material Download PDFInfo
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- CN107117874A CN107117874A CN201710309940.2A CN201710309940A CN107117874A CN 107117874 A CN107117874 A CN 107117874A CN 201710309940 A CN201710309940 A CN 201710309940A CN 107117874 A CN107117874 A CN 107117874A
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- Prior art keywords
- insulation material
- polystyrene
- cement
- thermal insulation
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/12—Multiple coating or impregnating
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Abstract
Present invention relates particularly to a kind of cement base inorganic polystyrene particle composite thermal insulation material and preparation method thereof, belong to field of heat insulating materials.Described insulation material is formulated by following raw material：Inorganization granules of polystyrene 100 125, cement 200 300, auxiliary agent 12 and water 180 215.The preparation method of insulation material of the present invention is to inject mould after the inorganization polystyrene foaming granule in surface is well mixed with cement, auxiliary agent and water, natural curing at room temperature, obtained cement base inorganic polystyrene particle composite thermal insulation material.The compound insulating material has the advantages that the cohesive force between inorganization granular polystyrene and cement is strong, density is small, thermal conductivity factor is low and fire protecting performance is good.
Description
Technical field
The present invention relates to a kind of preparation method of cement base inorganic polystyrene particle composite thermal insulation material, belong to insulation material
Field.
Background technology
Expandable polystyrene（EPS）Foam has that density is low, shock resistance is good and the low advantage of thermal conductivity factor, is commonly applied to
In terms of packaging material, heat preserving and insulating material.EPS expanded beads are as lightweight aggregate, applied to preparing concrete lightweight thermal insulation
During material, because EPS grain densities are too small, and, polarity inorganic gel material larger with the surface property differences of inorganic coagulation material
Material is nonwetting to its, and EPS particles are easy to float in preparation process, and EPS particles are difficult to be uniformly dispersed in system, so that shadow
The performance of material is rung.According to the literature, [.EPS such as Zhao Xiaoyan, Tian Wenling, Zhao Jidong light aggregate concretes prepare key technology
And its progress, concrete, 2009,8:59-62.], the inorganic matters such as ultra-fine silicon ash are directly added in mixed process, to carry
Compactness after high slurry hardening, improves the interfacial adhesion of EPS particles and cement slurry, but EPS particle surfaces are still to be hydrophobic
Property, effect is bad.Also [Zhang Tierong, Zhang Xuesong, Li Haitao improve polystyrene light aggregate concrete multiphase composite wood to document
Expect research [J] the Hebei Institute Of Civil Engineering journal of interfacial bond property, 2005.23 (1）:54-57.] propose, using PVA
Emulsion is modified to EPS particles, EPS particle surfaces is changed into hydrophily from hydrophobicity, to improve its associativity with mortar
Can, but because particle unit weight is small, workability cannot still improve very well.
The content of the invention
It is an object of the invention to provide a kind of density is low, thermal conductivity factor is low, fire protecting performance good and processing property is good
The preparation method of cement base inorganic polystyrene particle composite thermal insulation material.
A kind of preparation method of cement base inorganic polystyrene particle composite thermal insulation material proposed by the present invention, the compound guarantor
Adiabator raw material is made up of inorganization polystyrene foaming granule, cement, auxiliary agent and water, and the mass ratio of each component is：It is inorganization
Polystyrene foaming granule：Cement：Auxiliary agent：Water is（100-125）：（200-300）：（1-2）：（180-215）；Specific steps are such as
Under：
（1）：Water, auxiliary agent are mixed in proportion；
（2）：Cement is added to step（1）In gained mixture, sticky shape slurry is stirred for；
（3）：Inorganization polystyrene foaming granule is added to step（2）In the middle sticky shape slurry of gained, after stirring, note
Enter in mould, at room temperature natural curing, cement base inorganic polystyrene particle composite thermal insulation material is made.
In the present invention, the inorganization polystyrene foaming granule preparation process is：By polystyrene foaming granule surface
First carry out cladding processing with organic binder bond, then by slag, flyash, expanded vermiculite or coated with silica on its surface, so
Solidified afterwards, so that inorganic material to be closely adhere to the surface of polystyrene foaming granule.
In the present invention, the density of the cement base inorganic polystyrene particle composite thermal insulation material is 200-350kg/m3。
In the present invention, the auxiliary agent is polycarboxylate water-reducer.
In the present invention, the condition of cure be 60-80 DEG C at solidify 30min.
The invention has the advantages that：Granules of polystyrene unit weight increase by inorganization processing, in cement cementitious material
Easily scattered, workability is good；Cementitiousness between the inorganization granules of polystyrene in surface and cement cementitious material is improved, prepared
The cement base inorganic polystyrene particle composite thermal insulation material gone out has the advantages that density is small, thermal conductivity factor is low and fire protecting performance is good.
Embodiment
With reference to specific embodiment, the invention will be further described, and protection scope of the present invention is not implemented by following
The limitation of example.
Embodiment 1：
50 parts of epoxy resin and 50 parts of slags are successively coated on 25 parts of EPS expanded beads surfaces, 80 DEG C of solidification 30min obtain nothing
Machine granular polystyrene.By 212.5 parts of water and 1.95 parts of auxiliary agent mixed low speeds（62±5r/min）Stir 10s, again high speed（125±
10r/min）It is in even slurry to stir and 300 parts of cement are added after 10s through low speed 25s, high speed 15s stirring, is added above-mentioned inorganic
After the 125 parts of mixing of change granular polystyrene the compound guarantor of cement base inorganic granular polystyrene is obtained through low speed 20s, high speed 75s stirring preparation
Adiabator.The compound insulating material dry density is measured for 311 kg/m3, thermal conductivity factor is 0.0631 W/ (mk), rupture strength
For 0.47MPa, compression strength is 0.57MPa.
Embodiment 2：
50 parts of epoxy resin and 50 parts of flyash are successively coated on 25 parts of EPS expanded beads surfaces, 80 DEG C of solidification 30min are obtained
Inorganization granular polystyrene.By 212.5 parts of water and 1.95 parts of auxiliary agent mixed low speeds（62±5r/min）Stir 10s, again high speed（125
±10r/min）It is in even slurry to stir and 300 parts of cement are added after 10s through low speed 25s, high speed 15s stirring, adds above-mentioned nothing
Cement base inorganic granular polystyrene is obtained after the 125 parts of mixing of machine granular polystyrene through low speed 20s, high speed 75s stirring preparation to be combined
Insulation material.The compound insulating material dry density is measured for 321 kg/m3, thermal conductivity factor is 0.0623 W/ (mk), and anti-folding is strong
Spend for 0.74MPa, compression strength is 0.62MPa.
Embodiment 3：
50 parts of epoxy resin and 50 parts of silica are successively coated on 25 parts of EPS expanded beads surfaces, 80 DEG C of solidification 30min are obtained
To inorganization granular polystyrene.By 212.5 parts of water and 1.95 parts of auxiliary agent mixed low speeds（62±5r/min）Stir 10s, again high speed
（125±10r/min）It is in even slurry to stir and 300 parts of cement are added after 10s through low speed 25s, high speed 15s stirring, is added
After stating inorganization 125 parts of mixing of granular polystyrene cement base inorganic granular polystyrene is obtained through low speed 20s, high speed 75s stirring preparation
Compound insulating material.The compound insulating material dry density is measured for 285 kg/m3, thermal conductivity factor is 0.0627 W/ (mk), is resisted
Folding intensity is 0.45MPa, and compression strength is 0.43MPa.
Embodiment 4：
40 parts of epoxy resin and 50 parts of expanded vermiculites are successively coated on 20 parts of EPS expanded beads surfaces, 80 DEG C of solidification 30min are obtained
To inorganization granular polystyrene.By 186 parts of water and 1.3 parts of auxiliary agent mixed low speeds（62±5r/min）Stir 10s, again high speed（125±
10r/min）It is in even slurry to stir and 200 parts of cement are added after 10s through low speed 25s, high speed 15s stirring, is added above-mentioned inorganic
After the 110 parts of mixing of change granular polystyrene the compound guarantor of cement base inorganic granular polystyrene is obtained through low speed 20s, high speed 75s stirring preparation
Adiabator.The compound insulating material dry density is measured for 283 kg/m3, thermal conductivity factor is 0.0549 W/ (mk), rupture strength
For 0.45MPa, compression strength is 0.53MPa.
Embodiment 5：
40 parts of epoxy resin and 50 parts of expanded vermiculites are successively coated on 20 parts of EPS expanded beads surfaces, 60 DEG C of solidification 30min are obtained
To inorganization granular polystyrene.By 180 parts of water and 1.3 parts of auxiliary agent mixed low speeds（62±5r/min）Stir 10s, again high speed（125±
10r/min）It is in even slurry to stir and 200 parts of cement are added after 10s through low speed 25s, high speed 15s stirring, is added above-mentioned inorganic
After the 100 parts of mixing of change granular polystyrene the compound guarantor of cement base inorganic granular polystyrene is obtained through low speed 20s, high speed 75s stirring preparation
Adiabator.The compound insulating material dry density is measured for 269 kg/m3, thermal conductivity factor is 0.0574 W/ (mk), rupture strength
For 0.61MPa, compression strength is 0.67MPa.
Embodiment 6：
40 parts of epoxy resin and 40 parts of expanded vermiculites are successively coated on 20 parts of EPS expanded beads surfaces, 60 DEG C of solidification 30min are obtained
To inorganization granular polystyrene.By 180 parts of water and 1.3 parts of auxiliary agent mixed low speeds（62±5r/min）Stir 10s, again high speed（125±
10r/min）It is in even slurry to stir and 200 parts of cement of water are added after 10s through low speed 25s, high speed 15s stirring, adds above-mentioned nothing
Cement base inorganic granular polystyrene is obtained after the 100 parts of mixing of machine granular polystyrene through low speed 20s, high speed 75s stirring preparation to be combined
Insulation material.The compound insulating material dry density is measured for 280 kg/m3, thermal conductivity factor is 0.0546 W/ (mk), and anti-folding is strong
Spend for 0.31MPa, compression strength is 0.45MPa.
Claims (5)
1. a kind of preparation method of cement base inorganic polystyrene particle composite thermal insulation material, it is characterised in that：The complex heat-preservation
Material feedstock is made up of inorganization polystyrene foaming granule, cement, auxiliary agent and water, and the mass ratio of each component is：It is inorganization poly-
Styrene expanded beads：Cement：Auxiliary agent：Water is（100-125）：（200-300）：（1-2）：（180-215）；Specific steps are such as
Under：
（1）：Water, auxiliary agent are mixed in proportion；
（2）：Cement is added to step（1）In gained mixture, sticky shape slurry is stirred for；
（3）：Inorganization polystyrene foaming granule is added to step（2）In the middle sticky shape slurry of gained, after stirring, note
Enter in mould, at room temperature natural curing, cement base inorganic polystyrene particle composite thermal insulation material is made.
2. a kind of preparation method of cement base inorganic polystyrene particle composite thermal insulation material according to claim 1, it is special
Levy and be that the inorganization polystyrene foaming granule preparation process is：Organic adhesive is first used on polystyrene foaming granule surface
Agent carries out cladding processing, then then slag, flyash, expanded vermiculite or coated with silica are solidified on its surface, from
And inorganic material is closely adhere to the surface of polystyrene foaming granule.
3. a kind of preparation method of cement base inorganic polystyrene particle composite thermal insulation material according to claim 1, it is special
Levy and be the density of the cement base inorganic polystyrene particle composite thermal insulation material for 200-350kg/m3。
4. a kind of preparation method of cement base inorganic polystyrene particle composite thermal insulation material according to claim 1, it is special
Levy and be that the auxiliary agent is polycarboxylate water-reducer.
5. a kind of preparation method of cement base inorganic polystyrene particle composite thermal insulation material according to claim 2, it is special
Levy and be the condition of cure to solidify 30min at 60-80 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710309940.2A CN107117874A (en) | 2017-05-05 | 2017-05-05 | A kind of preparation method of cement base inorganic polystyrene particle composite thermal insulation material |
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| CN201710309940.2A CN107117874A (en) | 2017-05-05 | 2017-05-05 | A kind of preparation method of cement base inorganic polystyrene particle composite thermal insulation material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110713391A (en) * | 2019-10-11 | 2020-01-21 | 成都新柯力化工科技有限公司 | Light cement insulation board for energy-saving building and preparation method |
| CN111995280A (en) * | 2020-09-17 | 2020-11-27 | 中国科学院青海盐湖研究所 | Polyphenyl particle magnesium-based cement layer coating system and coating method thereof |
| CN113173722A (en) * | 2021-03-31 | 2021-07-27 | 恒尊集团有限公司 | Sintering-free lightweight aggregate, preparation method thereof and lightweight concrete |
| CN113402221A (en) * | 2021-02-18 | 2021-09-17 | 浙江大东吴集团建材构配件有限公司 | High-strength high-heat-preservation concrete and production process thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110713391A (en) * | 2019-10-11 | 2020-01-21 | 成都新柯力化工科技有限公司 | Light cement insulation board for energy-saving building and preparation method |
| CN111995280A (en) * | 2020-09-17 | 2020-11-27 | 中国科学院青海盐湖研究所 | Polyphenyl particle magnesium-based cement layer coating system and coating method thereof |
| CN111995280B (en) * | 2020-09-17 | 2024-03-22 | 中国科学院青海盐湖研究所 | Polyphenyl granule magnesium-based cement layer coating system and coating method thereof |
| CN113402221A (en) * | 2021-02-18 | 2021-09-17 | 浙江大东吴集团建材构配件有限公司 | High-strength high-heat-preservation concrete and production process thereof |
| CN113402221B (en) * | 2021-02-18 | 2023-06-27 | 浙江大东吴集团建材构配件有限公司 | High-strength high-heat-preservation concrete and production process thereof |
| CN113173722A (en) * | 2021-03-31 | 2021-07-27 | 恒尊集团有限公司 | Sintering-free lightweight aggregate, preparation method thereof and lightweight concrete |
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